mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-24 23:50:11 +01:00
41 lines
1.8 KiB
PHP
41 lines
1.8 KiB
PHP
<?php
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include 'inc/functions.php';
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include '8chan-captcha/functions.php';
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if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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$captcha = generate_captcha($config['captcha']['extra']);
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$html = "{$captcha['html']}<br/>
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<input class='captcha_text' name='captcha_text' size='25' maxlength='6' autocomplete='off' type='text'>
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<input class='captcha_cookie' name='captcha_cookie' type='hidden' autocomplete='off' value='{$captcha['cookie']}'><br/>";
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$body = Element("8chan/dnsbls.html", array("config" => $config, "ayah_html" => $html));
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echo Element("page.html", array("config" => $config, "body" => $body, "title" => _("Bypass DNSBL"), "subtitle" => _("Post even if blocked")));
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} else {
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$resp = file_get_contents($config['captcha']['provider_check'] . "?" . http_build_query([
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'mode' => 'check',
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'text' => $_POST['captcha_text'],
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'extra' => $config['captcha']['extra'],
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'cookie' => $_POST['captcha_cookie']
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]));
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if ($resp === '1') {
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$tor = checkDNSBL($_SERVER['REMOTE_ADDR']);
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if (!$tor) {
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$query = prepare('INSERT INTO ``dnsbl_bypass`` VALUES(:ip, NOW()) ON DUPLICATE KEY UPDATE `created`=NOW()');
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$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
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$query->execute() or error(db_error($query));
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} else {
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$cookie = bin2hex(openssl_random_pseudo_bytes(16));
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$query = prepare('INSERT INTO ``tor_cookies`` VALUES(:cookie, NOW(), 0)');
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$query->bindValue(':cookie', $cookie);
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$query->execute() or error(db_error($query));
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setcookie("tor", $cookie);
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}
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echo Element("page.html", array("config" => $config, "body" => '', "title" => _("Success!"), "subtitle" => _("You may now go back and make your post.")));
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} else {
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error(_('You failed the CAPTCHA') . _('. <a href="https://8ch.net/dnsbls_bypass.php">Try again.</a> If it\'s not working, email admin@8chan.co for support.'));
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}
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}
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